project(vtkTeem)

#-----------------------------------------------------------------------------
cmake_minimum_required(VERSION 3.20.6...3.22.6 FATAL_ERROR)
#-----------------------------------------------------------------------------

# --------------------------------------------------------------------------
# Options
# --------------------------------------------------------------------------
if(NOT DEFINED BUILD_SHARED_LIBS)
  option(BUILD_SHARED_LIBS "Build with shared libraries." ON)
endif()

# --------------------------------------------------------------------------
# Dependencies
# --------------------------------------------------------------------------

#
# VTK
#
#find_package(VTK REQUIRED)
#include(${VTK_USE_FILE})

#
# ITK
#
set(${PROJECT_NAME}_ITK_COMPONENTS
  ITKCommon
  ITKVNL
  )
find_package(ITK 5.0 COMPONENTS ${${PROJECT_NAME}_ITK_COMPONENTS} REQUIRED)

#
# Teem
#
find_package(Teem REQUIRED NO_MODULE)
# XXX Since no TeemConfigVersion.cmake is configured, let's check the version explicitly
if(${Teem_VERSION_MAJOR}.${Teem_VERSION_MINOR}.${Teem_VERSION_PATCH} VERSION_LESS 1.10)
  message(FATAL_ERROR
    "Could not find a configuration file for package \"Teem\" that is compatible with requested version \"1.10\".")
endif()
include(${Teem_USE_FILE})

# XXX Teem 1.11.0 or Teem >= 4168 - This variable won't be needed anymore.
#     See https://sourceforge.net/p/teem/code/4168/
set(Teem_LIBRARIES teem)

# --------------------------------------------------------------------------
# Configure headers
# --------------------------------------------------------------------------
set(configure_header_file vtkTeemConfigure.h)
configure_file(
  ${CMAKE_CURRENT_SOURCE_DIR}/${configure_header_file}.in
  ${CMAKE_CURRENT_BINARY_DIR}/${configure_header_file}
  )

# --------------------------------------------------------------------------
# Install headers
# --------------------------------------------------------------------------
if(NOT DEFINED ${PROJECT_NAME}_INSTALL_NO_DEVELOPMENT)
  set(${PROJECT_NAME}_INSTALL_NO_DEVELOPMENT ON)
endif()
if(NOT ${PROJECT_NAME}_INSTALL_NO_DEVELOPMENT)
  file(GLOB headers "${CMAKE_CURRENT_SOURCE_DIR}/*.(h|txx)")
  install(
    FILES ${headers} ${CMAKE_CURRENT_BINARY_DIR}/${configure_header_file}
    DESTINATION include/${PROJECT_NAME} COMPONENT Development)
endif()

# --------------------------------------------------------------------------
# Sources
# --------------------------------------------------------------------------
set(vtkTeem_SRCS
  vtkDiffusionTensorMathematics.cxx
  vtkDiffusionTensorGlyph.cxx
  vtkTeemNRRDReader.cxx
  vtkTeemNRRDWriter.cxx
  vtkImageLabelCombine.cxx
  )

# --------------------------------------------------------------------------
# Include dirs
# --------------------------------------------------------------------------
set(include_dirs
  ${CMAKE_CURRENT_SOURCE_DIR}
  ${CMAKE_CURRENT_BINARY_DIR}
  )
include_directories(BEFORE ${include_dirs})

# --------------------------------------------------------------------------
# Build library
# --------------------------------------------------------------------------
set(lib_name ${PROJECT_NAME})

set(srcs ${vtkTeem_SRCS})
add_library(${lib_name} ${srcs})

set(libs
  itkvnl
  ITKCommon
  ${Teem_LIBRARIES}
  ${VTK_LIBRARIES}
  )
target_link_libraries(${lib_name} ${libs})

# Apply user-defined properties to the library target.
if(Slicer_LIBRARY_PROPERTIES)
  set_target_properties(${lib_name} PROPERTIES ${Slicer_LIBRARY_PROPERTIES})
endif()

# --------------------------------------------------------------------------
# Folder
# --------------------------------------------------------------------------
if(NOT DEFINED ${PROJECT_NAME}_FOLDER)
  set(${PROJECT_NAME}_FOLDER ${PROJECT_NAME})
endif()
if(NOT "${${PROJECT_NAME}_FOLDER}" STREQUAL "")
  set_target_properties(${lib_name} PROPERTIES FOLDER ${${PROJECT_NAME}_FOLDER})
endif()

# --------------------------------------------------------------------------
# Export target
# --------------------------------------------------------------------------
if(NOT DEFINED ${PROJECT_NAME}_EXPORT_FILE)
  set(${PROJECT_NAME}_EXPORT_FILE ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Targets.cmake)
endif()
export(TARGETS ${lib_name} APPEND FILE ${${PROJECT_NAME}_EXPORT_FILE})

# --------------------------------------------------------------------------
# Install library
# --------------------------------------------------------------------------
if(NOT DEFINED ${PROJECT_NAME}_INSTALL_BIN_DIR)
  set(${PROJECT_NAME}_INSTALL_BIN_DIR bin)
endif()
if(NOT DEFINED ${PROJECT_NAME}_INSTALL_LIB_DIR)
  set(${PROJECT_NAME}_INSTALL_LIB_DIR lib/${PROJECT_NAME})
endif()

install(TARGETS ${lib_name}
  RUNTIME DESTINATION ${${PROJECT_NAME}_INSTALL_BIN_DIR} COMPONENT RuntimeLibraries
  LIBRARY DESTINATION ${${PROJECT_NAME}_INSTALL_LIB_DIR} COMPONENT RuntimeLibraries
  ARCHIVE DESTINATION ${${PROJECT_NAME}_INSTALL_LIB_DIR} COMPONENT Development
  )

# --------------------------------------------------------------------------
# Python Wrapping
# --------------------------------------------------------------------------
if(VTK_WRAP_PYTHON)
  include(vtkMacroKitPythonWrap)

  vtkMacroKitPythonWrap(
    KIT_NAME ${lib_name}
    KIT_SRCS ${vtkTeem_SRCS}
    KIT_INSTALL_BIN_DIR ${${PROJECT_NAME}_INSTALL_BIN_DIR}
    KIT_INSTALL_LIB_DIR ${${PROJECT_NAME}_INSTALL_LIB_DIR}
    )
  # Export target
  export(TARGETS ${lib_name}Python APPEND FILE ${${PROJECT_NAME}_EXPORT_FILE})
  # Folder
  if(NOT "${${PROJECT_NAME}_FOLDER}" STREQUAL "")
    set_target_properties(${lib_name}Python PROPERTIES FOLDER ${${PROJECT_NAME}_FOLDER})
    if(TARGET ${lib_name}Hierarchy)
      set_target_properties(${lib_name}Hierarchy PROPERTIES FOLDER ${${PROJECT_NAME}_FOLDER})
    endif()
  endif()
endif()

# --------------------------------------------------------------------------
# Testing (requires some of the examples)
# --------------------------------------------------------------------------
if(BUILD_TESTING)
  add_subdirectory(Testing)
endif()

# --------------------------------------------------------------------------
# Set INCLUDE_DIRS variable
# --------------------------------------------------------------------------
set(${PROJECT_NAME}_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_BINARY_DIR}
  CACHE INTERNAL "${PROJECT_NAME} include dirs" FORCE)

# --------------------------------------------------------------------------
# Configure support file
# --------------------------------------------------------------------------
configure_file(
  ${CMAKE_CURRENT_SOURCE_DIR}/vtkTeemConfig.cmake.in
  ${CMAKE_CURRENT_BINARY_DIR}/vtkTeemConfig.cmake
  )
